Re: tx/rx woes

From: Donald Becker (becker@cesdis1.gsfc.nasa.gov)
Date: Mon Aug 10 1998 - 16:09:33 EDT


On Mon, 10 Aug 1998, Allen B. Cummings wrote:

> This problem turned out to be rather more odd than I'd first expected, and
..
> At any rate, I played around both with "hardware solutions" and "software
> solutions", but in the end nothing worked until I shoved two Vortex cards
> in. Finally, I was transmitting and receiving. What's even neater is that
> when I went back to just one card, everything still worked.

Look *very* carefully at the cable ends you were using. I would red-tag
these cables as possible problem sources.

For more recent cards with MII transceivers the 'mii-diag' would have told
you if negotiation didn't complete.

Donald Becker becker@cesdis.gsfc.nasa.gov
USRA-CESDIS, Center of Excellence in Space Data and Information Sciences.
Code 930.5, Goddard Space Flight Center, Greenbelt, MD. 20771
301-286-0882 http://cesdis.gsfc.nasa.gov/people/becker/whoiam.html



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